发明名称 SCREEN DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a screen device capable of achieving a quiet winding of a screen fabric by eliminating irregular winding sound when winding up the screen fabric in a manual type screen device incorporating a coil spring. <P>SOLUTION: The manual type screen device includes a coil spring 2 interposed between winding rollers 10, which winds or feeds a screen fabric 11 so as to lift/lower the screen fabric 11, and a rotation supporting shaft 6A thereof and rotatingly energizing the screen fabric 11 feeding the winding roller 10 downward in the wind-up direction by an elastic restoring force. The screen device further includes a connecting member 3, engaged in the rotating direction so as to be rotatingly integrated with an internal peripheral face 10c of the winding roller, at one end side of the coil spring 2 so as to move axially with respect to the winding roller 10. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012098563(A) 申请公布日期 2012.05.24
申请号 JP20100246868 申请日期 2010.11.02
申请人 OSM:KK 发明人 OKUMURA MASAYUKI
分类号 G03B21/56;H04N5/74 主分类号 G03B21/56
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